:root {
    --primary-color: #2c3e50; /* Dark Blue/Grey for strong text */
    --accent-color: #27ae60; /* Fresh, friendly Green */
    --accent-light: #e8f8f5; /* Very light green background */
    --bg-color: #ffffff;
    --bg-offset: #f9fafb; /* Slightly grey for sections */
    --text-color: #4a4a4a;
    --white: #ffffff;
    
    --font-heading: 'Playfair Display', serif; /* Friendly, trustworthy serif */
    --font-body: 'Open Sans', sans-serif; /* Clean, readable sans-serif */
    
    --shadow-soft: 0 10px 40px rgba(0,0,0,0.05);
    --shadow-card: 0 4px 12px rgba(0,0,0,0.08);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-body);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: var(--font-heading);
    color: var(--primary-color);
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Navigation --- */
.navbar {
    padding: 20px 0;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.nav-btn {
    font-weight: 600;
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: 20px;
    transition: background 0.3s;
}

.nav-btn:hover {
    background: rgba(0,0,0,0.05);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    padding: 180px 0 120px;
    background: linear-gradient(135deg, #fff 0%, #f3fcf9 100%);
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.badge {
    display: inline-block;
    background: var(--accent-light);
    color: var(--accent-color);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 25px;
}

.hero-text {
    font-size: 1.25rem;
    color: #666;
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 20px;
    align-items: center;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 15px 32px;
    border-radius: 50px;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(39, 174, 96, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(39, 174, 96, 0.4);
    background-color: #219150;
}

.btn-text {
    color: var(--primary-color);
}

.btn-text:hover {
    color: var(--accent-color);
}

/* Decorative Shape */
.hero-shape {
    position: absolute;
    top: -100px;
    right: -100px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(39, 174, 96, 0.05) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
    z-index: 1;
}

/* --- Philosophy Section --- */
.section-philosophie {
    padding: 100px 0;
    background-color: var(--white);
}

.philosophie-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.highlight {
    color: var(--accent-color);
    font-style: italic;
}

.text-block h2 {
    font-size: 2.5rem;
    margin-bottom: 25px;
}

.text-block p {
    margin-bottom: 20px;
    color: #555;
    font-size: 1.1rem;
}

/* Abstract CSS Art */
.visual-block {
    display: flex;
    justify-content: center;
    position: relative;
}

.circle-art {
    position: relative;
    width: 300px;
    height: 300px;
}

.circle {
    position: absolute;
    border-radius: 50%;
    mix-blend-mode: multiply;
}

.c1 {
    width: 200px;
    height: 200px;
    background-color: #e8f8f5;
    top: 0;
    left: 20px;
}

.c2 {
    width: 180px;
    height: 180px;
    background-color: #fdf2e9; /* Soft warm tone */
    bottom: 20px;
    right: 20px;
}

/* --- Services Section --- */
.section-services {
    padding: 100px 0;
    background-color: var(--bg-offset);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 2.2rem;
    margin-bottom: 10px;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-card);
    transition: transform 0.3s;
    border-bottom: 3px solid transparent;
}

.card:hover {
    transform: translateY(-5px);
    border-bottom: 3px solid var(--accent-color);
}

.card .icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    font-family: var(--font-body); /* More functional font for headers in cards */
    font-weight: 700;
}

.card p {
    color: #666;
    font-size: 1rem;
}

/* --- About Box --- */
.section-about {
    padding: 80px 0;
    background-color: var(--white);
    text-align: center;
}

.about-box {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 60px;
    border-radius: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.about-box h3 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 2rem;
}

.about-box p {
    font-size: 1.15rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto;
}

/* --- Footer --- */
.footer {
    background-color: #1a252f;
    color: var(--white);
    padding: 80px 0 40px;
    text-align: center;
}

.footer h2 {
    color: var(--white);
    margin-bottom: 20px;
}

.footer p {
    opacity: 0.7;
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.btn-white {
    background-color: var(--white);
    color: var(--primary-color);
    padding: 15px 40px;
    display: inline-block;
    border-radius: 50px;
    font-weight: bold;
    font-size: 1.2rem;
}

.footer-bottom {
    margin-top: 80px;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    font-size: 0.9rem;
    opacity: 0.5;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    .philosophie-grid {
        grid-template-columns: 1fr;
    }
    .visual-block {
        order: -1; /* Image first on mobile */
        margin-bottom: 40px;
    }
}